Hunting a killer within New York's urban jungle becomes the biggest case of Alexandra Cooper's career in New York Times bestselling author Linda Fairstein's latest riveting thriller.

A wild heart beats within New York City. Amid concrete and skyscrapers, the Wildlife Conservation Society works to preserve and protect the animal kingdom both within and beyond the borders of the five boroughs. But dangerous creatures don't always...

Sang-min and Jung-hyuk have dinner. They talk about a robbery without risk. But Jung-hyuk refuses and tells him to avoid the problems. Sun-ho auditions a young woman in his music studio in a very personal way. At the karaoke, Sang-min spends the night having fun.

In Seoul, OH Jung-hyuk, a boxer, working occasionally as a debt collector, is preparing for a fight in the coming days. MOON Sang-min, a young and immature man, try to get money, feeling seriously threatened. WANG Sun-ho, a rich and arrogant young man, contacts his father, a powerful CEO of a big Korean company who categorically refuses to talk to him.

Danish con-woman Sylvia Petersen secretly works with her father, Des, in his stolen-goods operation, but her world is turned upside down when he is murdered in cold blood. Believing crime kingpin Ravn ordered the hit, Sylvia decides to take revenge on him.

After receiving a tipoff that Ravn is coming for her, Sylvia is forced to make a deal with Qvist to catch Ravn in the act. Their dangerous plan becomes even more complicated when Lisbeth arrives in New Zealand.

Two years earlier, a Jung-hyuk's japanese rival, Hiroshi Ito, was sent to Seoul to do a special work. He will encounter CHOI Sae-mi, a young student pianist who can no longer pay for her studies.

Sang-min tries to negotiate the payment of his debt he owes to a notorious gangster, Tony. The deadline has already passed but he is trying to get more time. Jung-hyuk has to prove himself in the ring but his right hand hurts.

Ravn captures Ida and issues Sylvia an ultimatum: come back within 24 hours, or Ida will be killed. In New Zealand, Sylvia races against the clock to organize an exchange of incriminating files against Ravn to save her daughter, while at the same time convincing Ravn and Qvist that she's still in Denmark.

While Jung-hyuk resists to drink, Sang-min has found refuge with Jae-hwa who ends up betraying him. Park and Kim, Tony's two subordinates are about to get Sang-min, who still hasn't paid. Jung-hyuk arrives at the scene without knowing anything about Sang-min's problem.

Sae-mi meets Ina, a former classmate who dropped out of school for a lucrative but questionable activity. Hiroshi makes a mistake that could have changed Sae-mi's situation if she hadn't seen Ina again.