Alex Cross, senior homicide detective, is ready, no matter the cost, to rip the mask off the mysterious killer, whom he himself nicknamed Weasel. From the one who is behind a whole series of mysterious murders that Cross is forbidden to investigate.

In the novel Weasel Leap, Patterson presented a terrible and contradictory image of a villain whose shadow will haunt the reader as soon as the lights go out in the house. The plot, enhanced by emotional and psychological outbursts, constantly keeps the reader in suspense.