Single father Mitchell Fisher hates all things romance. He enjoys his job removing padlocks fastened to the famous "love lock" bridges of Upchester city. Only his young daughter, Poppy, knows that behind his disciplined veneer, Mitchell grieves the loss of her mother, Anita. One fateful day, working on the bridge, Mitchell courageously rescues a woman who falls into the river. He’s surprised to feel a connection to her, but the woman disappears before he learns her name. To Mitchell’s shock, a video of the rescue goes viral, hailing him as  " The Hero on the Bridge." He’s soon notified by the mysterious woman’s sister, Liza, that she has been missing for over a year. However, the only clue to where the woman could have gone is the engraved padlock she left on the bridge Mitchell finds himself swept up in Liza’s quest to find her lost sister. Along the way, with help from a sparkling cast of characters, Mitchell’s he