One week before her wedding, a gifted assassin must confront the vengeful sister of her family's murderer, forcing her to choose between her hard-won peace and the dark past she thought she left behind.

SYNOPSIS:

In this 2nd installment of the 'Knockout' Trilogy, After triumphantly ending the reign of terror from Damion Donovan, the man responsible for the tragic murder of her family, Karis has embraced her role as a community advocate, mentoring troubled youth through self-defense classes. But just as she prepares to walk down the aisle and celebrate a new chapter, a dark shadow emerges from her past. A week Before the day of their wedding, Karis and Eris travel to Mexico to finalize their venue and reunite Eris with her brother Vergas and their estranged mother, Anna. Not Known to them, Damion’s vengeful sister, Lena Donovan—known in the criminal underworld as "Viper"—is on a relentless mission to avenge her brother’s downfall. Haunted by grief and driven by rage, Lena orchestrates a series of meticulously planned attacks aimed at dismantling Karis's newfound happiness and reclaiming her family's honor. As Lena's violent campaign unfolds, Karis finds herself thrust back into a world of chaos she thought she'd left behind. With her loved ones in jeopardy, she must confront not only the physical threats posed by Lena but also the emotional scars of her past.