John gets clean for Debra. Terra learns John’s back. John puts his sister through the ringer.

Hannah seeks help from Mr. Porter, the school counselor. Clay plays the new tape for Tony and weighs what to do next.

As the school mourns the death of Hannah Baker, her friend Clay receives a box of tapes with messages she recorded before she committed suicide.

When two Union anthropologists go missing on a planet similar to 21st century Earth, Ed sends a team led by Kelly to find them, but the mission quickly goes awry…