My Mister

My Mister follows a young woman, Lee Ji-an (Lee Ji-eun), burdened by debt and hardship as she struggles to support her ailing grandmother while working a temporary job. She crosses paths with Park Dong-hoon (Lee Sun-kyun), a man carrying deep personal wounds and grappling with betrayal, workplace mistreatment, and the heavy responsibility of his family. As they navigate their struggles, they form a bond that offers solace, understanding, and the possibility of healing.