From the moment Ryn first stepped onto land in Bristol Cove, the entire town was changed entirely. Now that you've watched the incredible season finale of Siren, read our rundown of just how much Ryn's arrival has transformed everyone's lives.
But, Ben has also managed to strengthen ties with his family business, advising on sustainable fishing practices.
Maddie has formed a strong connection with Ryn after helping her become accustomed to life on land.
She also managed to repair her relationship with her father after she lied to him to protect Ryn.
Helen is no longer living in complete secrecy.
Helen finally told Ben, Maddie, and Ryn the secret of her mermaid heritage and was able to guide Ryn as she adapted to living among humans.
Xander is now the captain of the North Star.
Though, the tragic death of his father is hardly how he wanted to become captain.
Calvin has seen his crew gradually fall apart.
After Chris was kidnapped and eventually left the crew of the North Star, Calvin learned that his best friend, Xander, had slept with his girlfriend in the past, leaving the future of the shipmates in doubt.
Chris has vowed never to return to the ocean.
Chris has been through a lot. He was attacked by Donna on the North Star, was kidnapped by the military, escaped the testing facility and then had to watch as his captain was attacked and killed.
Sheriff Bishop is now keeping the secret that mermaids live among us.
He also fell out with Maddie after she broke their pact and lied to him about her connection with Ryn, but they have now repaired their relationship.
Ted has started to reconnect with the fishing community after Sean's funeral.
He also started to see the benefits of sustainable fishing practices after hiring Ben as a consultant.
Elaine has found new hope after qualifying for a new medical trial.
Although it is unclear whether Decker's discovery of regenerative mermaid tissue will be lost after his death.