The 9/11 Memorial in New York City is a sacred place. The final resting place for many of the nearly 3,000 victims of the September 11th attacks. Based on the book, "Finding Fifteen," "Sky So Blue" is a feature length documentary based on families who lost so much on 9/11. Follow Tim Oliver on his daily walk to work through the memorial. A walk that becomes a journey of love, hope and survival as Oliver finds five families of 9/11, who relive the final moments of innocent Americans caught up in the terrorist attacks and share their unique perspectives on a divided and pandemic-stricken America 20 years later. New Jersey: A police officer who ran toward danger. Long Island: A woman who wouldn't leave a wounded friend. Maryland: A young enlisted man on duty to protect his country. Long Island: A custodian who survived a previous terrorist attack. Rhode Island: A flight attendant who filled in for a co-worker.