Finnish boxer preparing for a WBA featherweight title fight against Davey Moore. He falls in love with Raija, struggles with weight-cutting, and faces distractions from documentary crews and sponsor events. He leaves for Kokkola to follow Raija, trains alone, barely makes weight, proposes to her, and fights Moore, ultimately losing by TKO but finding peace.
Fellow boxers assist Olli in his training regimen to meet championship requirements.
The American boxer represents the primary competitive adversary in the championship bout.
Elis acts as Olli's professional manager, orchestrating his career trajectory and promotional efforts.
Explore the full interactive character relationship map of The Happiest Day in the Life of Olli Mäki