Entertainment Movies Blake Lively Is a British Assassin in Action-Packed Trailer for 'The Rhythm Section' The Rhythm Section opens Jan. 31, 2020 By Nigel Smith Nigel Smith Nigel Smith is the Senior Movies News Editor for PEOPLE. He is an experienced culture editor and writer with a 12-year history of working in the online and print industries. People Editorial Guidelines Published on September 19, 2019 10:59AM EDT Blake Lively is out for blood in her new action movie The Rhythm Section. In the breathless trailer for the film, Lively, 32, plays Stephanie Patrick, a woman who sets out on a path of revenge after learning the airplane crash that killed her family was no accident. To uncover the truth, Stephanie adopts a new identity of an assassin — with the help of some disguises — to hunt down those responsible for the tragedy. The film, co-starring Jude Law and Sterling K. Brown, is a modern adaptation of the first of British thriller writer Mark Burnell’s Stephanie Patrick series. It was originally set to open in February but got pushed back after Lively sustained an injury to her hand whilst shooting in 2017. Blake Lively Suffers Injury on Set of The Rhythm Section — Filming Suspended RELATED: Blake Lively Reveals Her Daughter’s Adorable Halloween Costume Ideas In July 2017, Lively expressed her excitement to be working on the project. “Yes. Yes. Yes!!! I couldn’t be more excited to be bringing this incredible and complex 🚺 hero to life. 🎥🎞 ,” she wrote on Instagram alongside an image of Burnell’s original novel. The Rhythm Section, directed by Reed Morano (The Handmaid’s Tale) opens Jan. 31, 2020.