Felipe begins to recount on the radio the story of his neighbor, Tobias, who had a strange and mysterious air about him and who all of the neighborhood avoided and feared.

Felipe and Lucia are determined to fix the damp patch that could be coming from their crotchety old neighbor's home. But will he finally come to the door?

When Felipe and his girlfriend's visit to his quirky next door neighbor's house does not reap the desired results, the issue with the damp patch persists, and Felipe's mother is willing to step in to resolve it.

In order to put up their Christmas tree, Felipe and his mother must fix their home's damp patch, which seems to be coming from their neighbor's house. However, when the neighbor refuses to let them in to check, Felipe's girlfriend, Lucia, concocts a scheme that could help them gain entry.

Accompanied by the plumber, Lucia and Felipe finally manage to get Mister Tobias to let them into his home. And while the plumber tries to convince him to get the damp patch fixed, Lucia has other plans.

In his radio interview, Felipe shares details about his relationship with his girlfriend, Lucia, and how shocked they were to discover that their mysterious neighbor, Mister Tobias, was not as lonely as he seemed.

When Lucia tells Felipe about the unthkinkable sight she witnessed at Mister Tobias' home, her boyfriend has trouble believing such a horrific scenario.

Determined to get to the bottom of the situation in Mister Tobias' home, Felipe and Lucia wait anxiously for him to leave so that they can snoop around.

After confirming the ghastly situation inside Mister Tobias' home, Felipe and Lucia discuss their next steps.

As Felipe continues to tell the tale of his neighbor Tobias' horrifying secret and how he and his girlfriend Lucia intervened, he gets candid about the dynamics of their relationship and how, in the past, her bold and dominant personality, and his willingness to acquiesce, led them both into risky situations.

Lucia and Felipe re-enter their neighbor's home, only to discover that he's set a trap for them.

In their wildest dreams, Felipe and Lucia could not have imagined what their neighbor, Mister Tobias, would do next.

At hands of their demented neighbor, Tobias, Felipe and Lucia find themselves in a horrifying situation from which they must find a way to escape.

As Felipe and Lucia contemplate how to escape, Felipe's mother is becoming increasingly alarmed at her inability to reach him.

Felipe's mother is on a mission to locate her son and his girlfriend, even going so far as to inquire with Mister Tobias.