Ep 18. 'Ohana

The description for Blindspot season 4 episode 18 named 'Ohana' is as follows:

The episode begins with the team receiving a distress signal from a remote diamond mine in Angola. As they reach the mine, they find out that the mine has been taken over by rebel forces who are planning to use the diamonds to fund their war. The team realizes that they need to come up with a plan to stop the rebels and rescue any hostages that may be trapped in the mine.

Meanwhile, Patterson and Rich are working on helping a young girl who is suffering from a rare genetic disorder. They discover that her condition can be cured but the only way to do so is to use a specific type of nuclear material that is currently in the possession of a rogue state. Patterson and Rich embark on a dangerous mission to retrieve the nuclear material, hoping to save the little girl's life.

As the team works to take down the rebels in the diamond mine, they encounter unexpected challenges. Tensions rise amongst the team as they work to not only rescue the hostages, but also protect the diamonds from falling into the wrong hands. They soon realize that they may have to make sacrifices in order to complete their mission.

The episode is filled with heart-pumping action as the team battles rebel forces, navigates through dangerous terrain, and races against time to save innocent lives. At the same time, the emotional storyline of the little girl needing medical attention adds a layer of depth to the episode, allowing viewers to connect with the characters on a personal level.

Overall, Blindspot season 4 episode 18 titled 'Ohana' is a thrilling and emotional rollercoaster ride that will leave viewers on the edge of their seats.