The story follows Emilio, a curious and introverted man in his mid-30s, who discovers a mysterious shop called "Lost and Found" that appears only at night. The shop is tucked away in a forgotten alley, and its entrance is marked by a small, flickering lantern. The proprietor, an enigmatic figure named Sophia, sells lost objects from throughout history, each with its own unique story and significance.

As Emilio becomes obsessed with the shop and its contents, he begins to visit every night, purchasing strange and fascinating artifacts. Sophia seems to know more about him than she should, and their conversations are laced with an air of mystery and intrigue.

As Emilio delves deeper into the shop's secrets, he discovers that the objects sold there are not just mere trinkets, but actual fragments of people's lives. A locket contains a lock of hair from a young girl who died in the 19th century; a pocket watch holds the memories of a soldier who fought in World War I.

Emilio becomes obsessed with uncovering the stories behind each object, and Sophia begins to reveal to him the true nature of the shop. It is a nexus point for lost things, a place where the fabric of time and memory is thin. Sophia is the guardian of this nexus, tasked with collecting and preserving the lost objects and their stories.

As Emilio's involvement with the shop deepens, he begins to experience strange and vivid dreams, echoes of the stories he's uncovered. He starts to feel a sense of connection to the objects and their owners, and Sophia warns him that he is becoming too entangled in the shop's secrets.

The stakes escalate when Emilio discovers a mysterious object that holds a dark and powerful secret. Sophia reveals that this object is a "key" that could unravel the fabric of time itself, and Emilio must decide whether to keep exploring the shop's secrets or to walk away before it's too late.