Watch Bombuj. Erkin, who works as a watchman at the lighthouse, is a lonely man in his mid-thirties. Erkin, crushed under his credit debts, one day receives the news of his grandfather's death. A big surprise awaits Erkin, who immediately goes to his grandfather, who is staying in the nursing home. He asks his grandfather Erkin to apologize to his brother Koray and ex-fiancee Merve, whose heart he broke years ago. Having to fulfill his grandfather's wish in order to get rid of his loan debts, Erkin finds himself in a great adventure in this process.