Watch The Birthday Cake (2021) HD Full Movie Free on SolarMovie. Watch The Birthday Cake (2021) online free. On the 10th anniversary of his father's death, Giovanni reluctantly accepts the task of bringing a c...On the 10th anniversary of his father's death, Giovanni reluctantly accepts the task of bringing a cake to the home of his uncle, a mob boss, for a celebration. Just two hours into the night, Gio's life is forever changed.