Here is a brief overview of the game, via Microids:
The 50s, New York City: Joe Dunn, owner of a boxing club, is found dead. Meanwhile, rising star Bobby Yale, due to take to the ring for the most important fight of his career, has mysteriously disappeared. Sonia Dunn, Joe’s daughter, takes over the gym and must deal with its financial woes. She hires private detective John Blacksad to investigate Yale’s disappearance. The highly anticipated boxing match of the year is drawing closer and the club’s finances would not survive a no show from Bobby Yale. During its investigation, John Blacksad will find himself swimming with sharks in a universe where corruption is everywhere.