Inspired by a true story, Invincible recounts the last 48 hours in the life of Marc-Antoine Bernier, a 14-year-old boy on a desperate quest for freedom.

It's summer of 2002, and moving day is fast approaching for the Bouchard-Beauregard family. While Sophie, a devoted wife and mother, struggles to control the chaos in the house, a televised boxing match creates pandemonium within the already dysfunctional family.

Fanny lives with her father, Hubert, an academic obsessed with his research who has never recovered from the death of his wife twelve years earlier. Everything changes the day a mysterious family secret resurfaces. Fanny then embarks on a frantic quest to uncover the truth surrounding her mother's death.