Efe (8) goes to İzmir with his family to visit his grandpa, Hakkı (70). While his popular sister Hira (15) has exciting plans, Efe feels bored and out of place. At the market, he meets Ceren (8) and her friends, skilled chess players who challenge him to a game. Determined to impress Ceren, Efe seeks his grandpa’s help, but Hakkı refuses, thinking Efe will give up like his father, Metin (39), once did. Feeling hopeless, Efe discovers the magical White Pawn, who helps him learn chess and build a team. This adventure brings the family closer, making the summer unforgettable for everyone.