NCIS: Hawaiʻi S01 E17 Breach

"The Pacific is a beautiful but dangerous place. This team keeps it safe."

When a ransomware attempt causes a dam to malfunction, Ernie and a team of hackers are tasked to find the culprit quickly, before all power and water is cut off on the island. Also, Lucy and Whistler work together, giving Whistler a chance to apologize to Lucy and mend their relationship.